US 12,243,683 B2
Additive manufacturing of ND—FE—B magnets with insulating layers
Wanfeng Li, Novi, MI (US); Franco Leonardi, Dearborn Heights, MI (US); and Michael W. Degner, Novi, MI (US)
Assigned to Ford Global Technologies, LLC, Dearborn, MI (US)
Filed by FORD GLOBAL TECHNOLOGIES, LLC, Dearborn, MI (US)
Filed on Nov. 10, 2023, as Appl. No. 18/506,227.
Application 18/506,227 is a division of application No. 17/537,917, filed on Nov. 30, 2021, granted, now 11,923,133.
Prior Publication US 2024/0071666 A1, Feb. 29, 2024
Int. Cl. H01F 7/02 (2006.01); B22F 10/28 (2021.01); B22F 10/60 (2021.01); B33Y 10/00 (2015.01); B33Y 40/20 (2020.01); B33Y 80/00 (2015.01); H01F 1/057 (2006.01); H01F 41/02 (2006.01)
CPC H01F 7/02 (2013.01) [B22F 10/28 (2021.01); B22F 10/60 (2021.01); B33Y 10/00 (2014.12); B33Y 40/20 (2020.01); B33Y 80/00 (2014.12); H01F 1/057 (2013.01); H01F 41/0253 (2013.01); B22F 2301/45 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A permanent magnet comprising:
a substrate;
a magnetic layer disposed on the substrate; and
a patterned insulation layer disposed on the magnetic layer opposite the substrate including magnetic segments and insulating portions disposed between the magnetic segments, wherein the substrate is a component of a motor.